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Returning 35 results for 'gas space'.
Monsters
Spelljammer: Adventures in Space
gas, which kills off anything that survives being swallowed.
Scavvers
Scavvers are shark-like scavengers that fly through space, feeding on whatever they can fit in their mouths. Scavvers are not
start of each of the scavver’s turns from the poisonous gas in the scavver’s gullet.
If the scavver takes 15 damage or more on a single turn from a creature inside it, the scavver must
Monsters
Fizban's Treasury of Dragons
poison breath looks like billowing clouds of green gas, while a white dragon’s animated cold breath looks like a walking ice sculpture with frigid air whirling around it. A blue dragon’s
Burst (Lightning Form Only). The animated breath magically teleports to an unoccupied space it can see within 30 feet of it. Each creature with 5 feet of the animated breath after it teleports takes 3
Monsters
Misplaced Monsters: Volume One
:
1–2: Bolstering Treat. The bubbles transform into 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Bolstering Treat: Cookies"} cookies that appear in the target’s space. The
-smelling cloud of gas that surrounds and shields the target. The target has half cover until the gas disappears at the start of Coral’s next turn.
Gift of Speech (1/Day). Coral targets one Beast she
Monsters
Planescape: Adventures in the Multiverse
eyestalk must succeed on a DC 21 Constitution saving throw at the end of that turn or regurgitate all swallowed creatures, which fall prone in a space within 10 feet of the eyestalk. If the eyestalk dies, a
pile of fine violet dust.Gzemnid is a beholder god of deception, gases, and obscurement.
The realm of the beholder deity Gzemnid lies beneath the Outlands. Most entrances into these mysterious, gas
Monsters
Fizban's Treasury of Dragons
green gas, while a white dragon’s animated cold breath looks like a walking ice sculpture with frigid air whirling around it. A blue dragon’s animated lightning breath is a constantly
, fire, lightning, or poison)Lightning Burst (Lightning Form Only). The animated breath magically teleports to an unoccupied space it can see within 30 feet of it. Each creature with 5 feet of the
Monsters
Candlekeep Mysteries
Bound to Candlekeep. Miirym can’t leave Candlekeep and is immune to any effect that would place her in a location outside it, including an extradimensional space. If she dies, Miirym regains
her form and all her hit points after 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Reform"} days, reappearing in the location where she died or in the nearest unoccupied space
Monsters
Spelljammer: Adventures in Space
","rollAction":"Crushing Tentacle","rollDamageType":"force"} force damage on a failed save, or half as much damage on a successful one.
Poison Jet (Costs 2 Actions). Foul gas squirts from the horror in a
","rollDamageType":"poison"} poison damage.
Teleport (Costs 2 Actions). The horror teleports, along with any creatures it is grappling, to an unoccupied space it can see within 120 feet of itself.Cosmic
Ancient Gold Dragon
Legacy
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Monsters
Basic Rules (2014)
one.
Weakening Breath. The dragon exhales gas in a 90-foot cone. Each creature in that area must succeed on a DC 24 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength
ends, the creature reappears in the space it left or in the nearest unoccupied space if that one is occupied.
Regional Effects
The region containing a legendary gold dragon’s lair is warped
Monsters
Monstrous Compendium Vol. 1: Spelljammer Creatures
exhales a cloud of magical fear gas in a 120-foot cone. Any creature in that area must succeed on a DC 18 Wisdom saving throw or be frightened of the beast for 1 minute. A creature can repeat the
engines. A single beast can lay waste to entire cities and armies.Teleport (2/Day). The beast magically teleports, along with any equipment it is wearing or carrying, up to 120 feet to an unoccupied space it can see.
Unspeakable Horror
Legacy
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monsters
Van Richten’s Guide to Ravenloft
). The horror can move through the space of another creature. The first time on a turn that the horror enters a creature’s space during this move, the creature must succeed on a DC 16 Strength
its action to scrape or wash off the bile that covers it.
Petrifying Hex (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Petrifying Hex"}. The horror expels petrifying gas in
Adult Gold Dragon
Legacy
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Monsters
Basic Rules (2014)
.
Weakening Breath. The dragon exhales gas in a 60-foot cone. Each creature in that area must succeed on a DC 21 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength checks
creature reappears in the space it left or in the nearest unoccupied space if that one is occupied.
Regional Effects
The region containing a legendary gold dragon’s lair is warped by the
Monsters
Van Richten’s Guide to Ravenloft
in this stat block.
Relentless Stride (Loathsome Limbs Only). The horror can move through the space of another creature. The first time on a turn that the horror enters a creature’s space
","rollAction":"Petrifying Hex"}. The horror expels petrifying gas in a 30-foot cone. Each creature in that area must succeed on a DC 15 Constitution saving throw or take 14 (4d6);{"diceNotation":"4d6
Ancient Green Dragon
Legacy
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Monsters
Basic Rules (2014)
Frightful Presence for the next 24 hours.
Poison Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Poison Breath"}. The dragon exhales poisonous gas in a 90--foot
the save takes 18 (4d8);{"diceNotation":"4d8","rollType":"damage","rollAction":"Wall of Thorns","rollDamageType":"piercing"} piercing damage and is pushed 5 feet out of the wall’s space, appearing
Adult Green Dragon
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Basic Rules (2014)
Frightful Presence for the next 24 hours.
Poison Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Poison Breath"}. The dragon exhales poisonous gas in a 60-foot cone
takes 18 (4d8);{"diceNotation":"4d8","rollType":"damage","rollAction":"Wall of Thorns","rollDamageType":"piercing"} piercing damage and is pushed 5 feet out of the wall’s space, appearing on
Monsters
Storm King's Thunder
to the dragon's Frightful Presence for the next 24 hours.
Poison Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Poison Breath"}. The dragon exhales poisonous gas in a
feet out of the wall’s space, appearing on whichever side of the wall it wants. A creature can move through the wall, albeit slowly and painfully. For every 1 foot a creature travels through the
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Boo’s Astral Menagerie
. A brown scavver likes to swallow its prey whole. The creature’s stomach is filled with poisonous gas, which kills off anything that survives being swallowed. Brown Scavver
Large Monstrosity
scavver, and takes 13 (3d8) poison damage at the start of each of the scavver’s turns from the poisonous gas in the scavver’s gullet.
If the scavver takes 15 damage or more on a single turn from a
Compendium
- Sources->Dungeons & Dragons->Misplaced Monsters: Volume One
, potentially turning it to dust. When Coral has the hiccups, bubbles shoot from her horn. These bubbles transform into tasty cookies, bursts of glitter, and protective clouds of stinky gas. Coral Large Fey
herself. Roll a d6 to determine the bubbles’ effect:
1–2: Bolstering Treat. The bubbles transform into 1d4 cookies that appear in the target’s space. The target gains 11 (2d8 + 2) temporary hit points if
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
encountered in an enclosed space, such as a sewer or sealed tomb. The gas fills as much space as it can, up to a maximum of ten 10-foot Cubes. The transparent gas carries a foul odor. The gas is continuously
feeds on warmth, drawing heat from anything around itself. One patch of brown mold covers a 10-foot square, and the temperature within 30 feet of it is always frigid. When a creature enters a space
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
down the banks and rocks in the walls shift slightly.
There is no poison gas in the room, or in any of the upper areas (40 and higher), because the gas escapes out the hole in the ceiling. The floor
any space along the slope causes further collapse—each climber must succeed on a DC 13 Dexterity saving throw or be buffeted by dirt and rubble, taking 7 (3d4) bludgeoning damage. If the save fails by
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Astral Adventurer’s Guide
of any gas that surrounds you. The suit also grants you a swimming speed equal to your walking speed while underwater, or a flying speed equal to your walking speed in an environment with no gravity
. Spelljamming Helm Wondrous Item, Rare (Requires Attunement by a Spellcaster) The function of this ornate chair is to propel and maneuver a ship on which it has been installed through space and air. It
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
7. Standing Gate to Level 21 Rubble. The floor of this 20-foot-high cave is strewn with stony rubble that acts as difficult terrain.
Fake Beholder. A gas spore, easily mistaken for a beholder
, floats near a pair of 15-foot-tall menhirs made of semitransparent crystal. Imprisoned inside each menhir is a sleeping nalfeshnee, its leathery wings wrapped tightly around its head and body.
The gas
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
, water, sand, garbage, green slime, petrified enemies, poison gas, swarms of centipedes, zombies, or any other sort of hazardous material or creatures. Gas Spores. One form of gas spore trap is
nothing more than a small room or section of tunnel that contains one or more hovering gas spores. The passage leading to it is sealed off or constricted to prevent the fungus creatures from drifting into
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
fill the empty space. When a statue that has been turned is released, it grinds back to its starting position. The clay golem has orders to attack any creature that it sees and can reach. If the golem
gas that fills a 15-foot cube centered above the chest (filling the entire pit). The gas instantly corrodes and destroys all nonmagical metal that comes into contact with it, including armor and
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
.
The hallway extends only 5 feet beyond the arch. The western wall is a cleverly painted mural designed to give the illusion of depth and reality, and the obscuring effect of the poison gas contributes
to this impression. If characters attempt to go in this direction, they walk straight into the wall unless someone succeeds on a DC 15 Wisdom (Perception) check. The space beyond the arch immediately
Compendium
- Sources->Dungeons & Dragons->Spelljammer Academy
monstrous predators and scavengers. Coliar This gas giant has a multitude of earth and water islands swirling around in its turbulent winds. These islands are occupied mostly by aarakocra, lizardfolk, and
atmosphere and is occupied by isolated groups of inhabitants. Toril’s space-dwelling communities generally congregate in a cluster of asteroids that trails behind Selune in the same orbit. This cluster, called
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
-foot cone of foam. The foam extinguishes all nonmagical flames in the cone. The canister can perform this action only once. 29–30 Loaf of space bread covered in blue-green mold 31–32 Handheld screen
for removing bolts and screws 61–62 Cautionary pamphlet about the dangers of space 63–64 Miniature flying saucer 65–66 Tiny, animatronic bunny that hops after the creature that activates it 67–68
Compendium
- Sources->Dungeons & Dragons->Journeys through the Radiant Citadel
canyon. Within lies a cave with green-tinged vapor flowing from it. This passage leads to area C1 of the Crystal Caves (see below) and the source of the gas. A creature that enters this trail of gas
, crumbling space between the surviving upper deck and the stone below. A drowsy displacer beast makes its den in this tight space, accessing it via a gap in the northern part of the hull. The creature
Compendium
- Sources->Dungeons & Dragons->Dragon Delves
Sensor (in area S12); on a 3, Enable Flight; on a 4, Vent Gas. 10–12 A Hostile Blue Slaad, released from an extradimensional space, appears in an unoccupied space as close to the console as possible. It
response from a githyanki outpost on the Astral Plane. At a moment of your choosing, a Lawful Neutral Githyanki Knight named Qaara Valreth teleports into the room, appearing in an unoccupied space as
Compendium
- Sources->Dungeons & Dragons->Monstrous Compendium Volume One: Spelljammer Creatures
space it can see.
Legendary Actions
The beast can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another
provoking opportunity attacks, then makes two Tusk attacks.
Frightful Howl (Costs 2 Actions). The beast howls as it exhales a cloud of magical fear gas in a 120-foot cone. Any creature in that area
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
gems. If the ruby is plucked from the gargoyle’s hand, the statue magically opens its mouth and exhales a cloud of soporific gas that fills the eastern 15 feet of the hall. At the same time, the secret
door at the west end of the hallway slides open, and the stone juggernaut in area 62D rolls down the corridor. Each creature in the gas cloud that is not immune to the poisoned condition must succeed
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
the dial and fills the 5-foot space directly east of the block. Any creature in this area when the gas is released must make a DC 14 Constitution saving throw, taking 44 (8d10) acid damage on a failed
, the dial can be easily removed from its spoke inside the stone block. However, removing the dial releases a corrosive gas trapped within the block. The gas escapes through tiny holes hidden behind
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
instant later, the closed-off elevator is propelled up the western half of a 20-foot-wide, 170-foot-tall shaft (area K31a) to the sounds of turning gears and rattling chains. Magic sleep gas fills the
open 10-foot-by-10-foot space adjacent to where the elevator stood. The block weighs thousands of tons and pulverizes anything in the space where it comes to rest. Once the elevator starts rising
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
(Costs 2 Actions). Foul gas squirts from the horror in a 30-foot line that is 5 feet wide. Each creature in that area must succeed on a DC 21 Constitution saving throw or take 14 (4d6) poison damage
.
Teleport (Costs 2 Actions). The horror teleports, along with any creatures it is grappling, to an unoccupied space it can see within 120 feet of itself.
Simon Dominic
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Boo’s Astral Menagerie
failed save, or half as much damage on a successful one.
Poison Jet (Costs 2 Actions). Foul gas squirts from the horror in a 30-foot line that is 5 feet wide. Each creature in the line must succeed on a
DC 21 Constitution saving throw or take 14 (4d6) poison damage.
Teleport (Costs 2 Actions). The horror teleports, along with any creatures it is grappling, to an unoccupied space it can see within 120 feet of itself.
Compendium
- Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything
can undertake the puzzle and cross the room safely. You can also increase the difficulty by introducing trap variants, as described below. Trap Variants Rather than have the same poison gas trap on
one. Illusion. A suit of animated armor appears in an unoccupied space within 5 feet of the creature that set off this trap. The armor attacks only the creature that summoned it and can’t leave the